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Force fault a vdev with 'zpool offline -f'

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This patch adds a '-f' option to 'zpool offline' to fault a vdev
instead of bringing it offline.  Unlike the OFFLINE state, the
FAULTED state will trigger the FMA code, allowing for things like
autoreplace and triggering the slot fault LED.  The -f faults
persist across imports, unless they were set with the temporary
(-t) flag.  Both persistent and temporary faults can be cleared
with zpool clear.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #6094
This commit is contained in:
Tony Hutter
2017-05-19 12:30:16 -07:00
committed by Brian Behlendorf
parent a32df59e18
commit 4a283c7f77
13 changed files with 266 additions and 29 deletions
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module/zfs/spa_misc.c
+11 -3
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@@ -1181,13 +1181,21 @@ int
spa_vdev_state_exit(spa_t *spa, vdev_t *vd, int error)
{
boolean_t config_changed = B_FALSE;
vdev_t *vdev_top;
if (vd == NULL || vd == spa->spa_root_vdev) {
vdev_top = spa->spa_root_vdev;
} else {
vdev_top = vd->vdev_top;
}
if (vd != NULL || error == 0)
vdev_dtl_reassess(vd ? vd->vdev_top : spa->spa_root_vdev,
0, 0, B_FALSE);
vdev_dtl_reassess(vdev_top, 0, 0, B_FALSE);
if (vd != NULL) {
vdev_state_dirty(vd->vdev_top);
if (vd != spa->spa_root_vdev)
vdev_state_dirty(vdev_top);
config_changed = B_TRUE;
spa->spa_config_generation++;
}